Fluke 1623, Руководство пользователя

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Earth/Ground Tester
Setup
11
R
A
4-pole Selective Earth Resistance Measurement with
Current Clamp
The R
A
4-pole Selective Earth Resistance Measurement with Current Clamp
procedure is useful for measuring the resistance of different parallel sections of
an earth/ground system. Refer to Figure 7.
A
Select function R
A
4-pole
A
.
Display as shown below.
B
Connect test leads.
Connect terminals E/C1 and ES/P1 with the supplied safety test leads
(1.5 m) to the earth electrode to be measured. Place 2 ground stakes
in earth/dirt. Minimum distance between earth electrode (E/C1),
probe (S/P2) and auxiliary earth (H/C2) should be at least 20 m! The
ES test lead eliminates the influence of the test leads.
Connect stakes with 25 m and 50 m wires to H/C2 and S/P2 as
shown.
Connect current clamp with adapter cable as shown.
C
Press START.
The “active” symbol indicates that measurement is in progress. For
continuous measurement keep START pressed.
D
Symbol “ 9 ” indicates completed measurement. The result is kept on
display until a new measurement is started or the rotary switch is
turned.
E H S
e v i t c a
S E H
s u l p
V 0 5 x a m
2 P
S
1 P
S E
S E S E
S E E H S
FLUKE
1
2
3 4
edv006.eps
Figure 7. R
A
4-pole Selective Earth Resistance Measurement with Current
Clamp
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